A 5 weight loss is considered normal for a formulafed newborn. A 710 loss is considered normal for breastfed babies. Most babies should regain this lost weight by days 1014 of life. If a baby loses a significant amount of weight, is sick, or is premature, it may take up to 3 weeks to get back to his or her birth weight.

But its use as a dietary supplement for weight loss is questionable. One study reported in the Journal of Medicinal Food found that Lcarnitine might provide some antiobesity benefits. But more research is needed to assess the benefits and risks of taking Lcarnitine supplements for weight loss.